<div class="layui-form layui-form-pane" action="" style="margin: 10px" lay-filter="addUser">
    <div class="layui-form-item">
        <input type="text" name="username" lay-verify="required" placeholder="请输入账号" autocomplete="off"  value="" class="layui-input">
    </div>
    <div class="layui-form-item">
        <input type="password" name="password" lay-verify="required" placeholder="请输入密码" autocomplete="off" value="" class="layui-input">
    </div>

    <div class="layui-form-item form_code">
        <input class="layui-input" name="code" placeholder="验证码" lay-verify="required" type="text" autocomplete="off">
        <div class="code"><img src="captcha.do" width="116" height="36"></div>
    </div>

    <div class="layui-form-item">
        <div class="layui-input-block">
            <button class="layui-btn login_btn" lay-submit="" lay-filter="login">登陆系统</button>
        </div>
    </div>

</div>